头层牛皮

  —

   The first layer of cowhide

   还有一定的防水性

   Certain water resistance

   而且光泽也比较高

   And the gloss is higher

  高密度海绵

  —

  High density sponge

   高密度海绵还具有回弹性好

   High density sponge also has good resilience

   按压后恢复快、手感细腻

   Fast recovery and delicate feel after pressing

  实木框架

  —

  Solid wood frame

   天然材料，环保健康

   Natural materials, environmentally friendly and healthy

   无毒无污染

   Non toxic and pollution-free